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Posted to issues@lucene.apache.org by "Paweł Bugalski (Jira)" <ji...@apache.org> on 2021/03/25 10:49:00 UTC
[jira] [Created] (LUCENE-9869) Allow to configure purge executor in
org.apache.lucene.monitor.Monitor
Paweł Bugalski created LUCENE-9869:
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Summary: Allow to configure purge executor in org.apache.lucene.monitor.Monitor
Key: LUCENE-9869
URL: https://issues.apache.org/jira/browse/LUCENE-9869
Project: Lucene - Core
Issue Type: Improvement
Components: core/other
Affects Versions: 8.8
Reporter: Paweł Bugalski
Extend org.apache.lucene.monitor.MonitorConfiguration with an ability to configure how cache purge task is scheduled by org.apache.lucene.monitor.Monitor (aka Luwak). In particular allow to use an external ScheduledExecutor.
Currently each new instance of org.apache.lucene.monitor.Monitor is creating a new thread in order to schedule a periodic cache purge task. This is fine as long as your application is using a small number of Monitor instances but if for some reason you want to create a large number of Monitor instances (e.g. to separate different business domains) you end up with excessive number of threads created.
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